Compare Coca-Cola prices across Belgian supermarkets
Grok Bot compared a bottle of Coca-Cola across Belgian supermarkets, named cheapest and priciest and flagged promotions, handing the browser to the user at a Carrefour captcha. Task: Peter van Hees instructed Grok Bot to compare Coca-Cola prices across major Belgian supermarkets using natural language, without specifying shops or sizes. The bot accessed official store websites directly to avoid stale comparison blog data. When Carrefour blocked access with a Cloudflare check, the bot paused and requested the user to manually complete the human verification in the shared browser session.; tools: Grok Bot. Human role: Not stated in the source; limitations: Grok Bot requires a top-tier subscription costing 200 euros monthly, with no standalone plan. All bots share one cloud computer's logins and files, creating security risks where one bot's compromise affects others. The author warns against trusting retail prices as fact for business decisions due to potential misreading of websites..
Tools
Published on Agent Work Atlas:
Overview
Grok Bot compared a bottle of Coca-Cola across Belgian supermarkets, named cheapest and priciest and flagged promotions, handing the browser to the user at a Carrefour captcha.
Workflow
Peter van Hees instructed Grok Bot to compare Coca-Cola prices across major Belgian supermarkets using natural language, without specifying shops or sizes. The bot accessed official store websites directly to avoid stale comparison blog data. When Carrefour blocked access with a Cloudflare check, the bot paused and requested the user to manually complete the human verification in the shared browser session.
Reported result
The bot reported 1.5L prices: Colruyt and Delhaize at 2.38 euros, Albert Heijn at 2.39 euros. It identified that Aldi and Lidl lacked comparable branded bottles and found specific promotions. After the user cleared the Carrefour captcha, the bot revised its findings, noting Carrefour's 2L price equated to 1.48 euros per liter, making it the best value.
Human role
Not stated in the source
Limitations
Grok Bot requires a top-tier subscription costing 200 euros monthly, with no standalone plan. All bots share one cloud computer's logins and files, creating security risks where one bot's compromise affects others. The author warns against trusting retail prices as fact for business decisions due to potential misreading of websites.
Try it
Act as a price comparison agent. I will provide a product name and a list of target retailer URLs. Your task is to visit each official retailer website, locate the specific product, and extract the current price and any active promotions. Do not use third-party comparison sites. If a site blocks you with a captcha or login, stop and ask me to complete the verification in the shared browser. Once all accessible sites are checked, compile a table with columns: Retailer, Product Size, Price, Price Per Unit, and Promotion Details. Highlight the cheapest option per unit. Before finalizing, verify that you have not invented any prices. If data is missing for a retailer, explicitly state 'Data Unavailable' rather than guessing. Start by confirming the product details and retailer list with me.
Source reports are not independently verified. Publication date is the catalog publication date, not the original article date.